Home / 1,085,462.35-1,496,207.83-855,645.10

Finding the Fourth Proportional to 1,085,462.35, 1,496,207.83 and 855,645.10

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Solution

The fourth proportional to 1,085,462.35, 1,496,207.83 and 855,645.10 is: 1,179,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,462.35 : 1,496,207.83 = 855,645.10 : x
  2. Step 2: Convert to fraction form
    1,085,462.35/1,496,207.83 = 855,645.10/x
  3. Step 3: Cross multiply
    1,085,462.35x = 1,496,207.83 × 855,645.10
  4. Step 4: Simplify right side
    1,085,462.35x = 1,280,222,898,321.13
  5. Step 5: Solve for x
    x = 1,280,222,898,321.13/1,085,462.35
  6. Step 6: Final answer
    x = 1,179,426.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.